diapedesis

American  

[dahy-uh-pi-dee-sis] / ˌdaɪ ə pɪˈdi sɪs /

noun

Physiology.

1. the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.

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diapedesis British  

/ ˌdaɪəpəˈdiːsɪs, ˌdaɪəpəˈdɛtɪk /

noun

1. the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues

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Other Word Forms

• diapedetic
  adjective

Etymology

Origin of diapedesis

1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis

Example Sentences

See Examples For:

diapedesis

The theory of blood pressure may apply to diapedesis accompanying the inflammatory process.

From On Snake-Poison: its Action and its Antidote by A. Mueller

Henry ab Heer records the case of a man who not only laboured under diapedesis, but small worms accompanied the bloody secretion.

From Curiosities of Medical Experience by J. G. (John Gideon) Millingen

More remarkable and strange is the action of the Indian viper-poison on the minute ganglia in the vaso-motor nerve ends, which control the capillary circulation, and by their paralysis bring about extensive hæmorrhage through diapedesis.

From On Snake-Poison: its Action and its Antidote by A. Mueller

Dr. Fournier relates the case of a magistrate who was attacked with diapedesis after any excitement, whether of a pleasurable or a painful nature.

From Curiosities of Medical Experience by J. G. (John Gideon) Millingen

In one of these the hæmorrhage took place soon after the bite and was so considerable that it must have arisen from actual rupture of vessels consequent on abdominal engorgement and not from mere diapedesis.

From On Snake-Poison: its Action and its Antidote by A. Mueller